import java.util.Scanner;
public class PrintX2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextInt()) {
            int n = sc.nextInt();
            for (int i = 1; i <= n; i++){
                for(int j = 1; j <= n; j++){
                    if (i == j || i + j == n+1){
                        System.out.print("*");
                    }else{
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}



